5145511026642 has 32 divisors (see below), whose sum is σ = 11767742390400. Its totient is φ = 1469324216448.

The previous prime is 5145511026589. The next prime is 5145511026659. The reversal of 5145511026642 is 2466201155415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5145511026594 and 5145511026603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34165267 + ... + 34315542.

It is an arithmetic number, because the mean of its divisors is an integer number (367741949700).

Almost surely, 2^{5145511026642} is an apocalyptic number.

5145511026642 is an abundant number, since it is smaller than the sum of its proper divisors (6622231363758).

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

5145511026642 is a wasteful number, since it uses less digits than its factorization.

5145511026642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68482610.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 5145511026642 in words is "five trillion, one hundred forty-five billion, five hundred eleven million, twenty-six thousand, six hundred forty-two".