1045626787956 has 24 divisors (see below), whose sum is σ = 2440443620160. Its totient is φ = 348449722432.

The previous prime is 1045626787859. The next prime is 1045626787963. The reversal of 1045626787956 is 6597876265401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11520441 + ... + 11610848.

It is an arithmetic number, because the mean of its divisors is an integer number (101685150840).

Almost surely, 2^{1045626787956} is an apocalyptic number.

It is an amenable number.

1045626787956 is an abundant number, since it is smaller than the sum of its proper divisors (1394816832204).

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

1045626787956 is a wasteful number, since it uses less digits than its factorization.

1045626787956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135063 (or 23135061 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 66.

The spelling of 1045626787956 in words is "one trillion, forty-five billion, six hundred twenty-six million, seven hundred eighty-seven thousand, nine hundred fifty-six".