15451206701040 has 480 divisors, whose sum is σ = 57358562317056. Its totient is φ = 3696164720640.

The previous prime is 15451206701009. The next prime is 15451206701057. The reversal of 15451206701040 is 4010760215451.

15451206701040 is a `hidden beast` number, since 1 + 545 + 1 + 2 + 0 + 6 + 7 + 0 + 104 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 15451206700986 and 15451206701004.

It is a congruent number.

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, 563343807 + ... + 563371233.

Almost surely, 2^{15451206701040} is an apocalyptic number.

15451206701040 is a gapful number since it is divisible by the number (10) 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 15451206701040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28679281158528).

15451206701040 is an abundant number, since it is smaller than the sum of its proper divisors (41907355616016).

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

15451206701040 is a wasteful number, since it uses less digits than its factorization.

15451206701040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28397 (or 28388 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 15451206701040 its reverse (4010760215451), we get a palindrome (19461966916491).

The spelling of 15451206701040 in words is "fifteen trillion, four hundred fifty-one billion, two hundred six million, seven hundred one thousand, forty".