5154661512 has 384 divisors, whose sum is σ = 19260783360. Its totient is φ = 1201858560.

The previous prime is 5154661489. The next prime is 5154661529. The reversal of 5154661512 is 2151664515.

5154661512 is a `hidden beast` number, since 5 + 1 + 546 + 61 + 51 + 2 = 666.

It is a super-2 number, since 2×5154661512² = 53141070606588252288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2665698 + ... + 2667630.

It is an arithmetic number, because the mean of its divisors is an integer number (50158290).

Almost surely, 2^5154661512 is an apocalyptic number.

5154661512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5154661512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9630391680).

5154661512 is an abundant number, since it is smaller than the sum of its proper divisors (14106121848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5154661512 is a wasteful number, since it uses less digits than its factorization.

5154661512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2006 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5154661512 is about 71795.9714190149. The cubic root of 5154661512 is about 1727.4283812109.

It can be divided in two parts, 5154 and 661512, that added together give a palindrome (666666).

The spelling of 5154661512 in words is "five billion, one hundred fifty-four million, six hundred sixty-one thousand, five hundred twelve".