1172428661010 has 32 divisors (see below), whose sum is σ = 2816199410112. Its totient is φ = 312384240320.

The previous prime is 1172428661009. The next prime is 1172428661029. The reversal of 1172428661010 is 101668242711.

It is a self number, because there is not a number n which added to its sum of digits gives 1172428661010.

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, 16426461 + ... + 16497680.

It is an arithmetic number, because the mean of its divisors is an integer number (88006231566).

Almost surely, 2^{1172428661010} is an apocalyptic number.

1172428661010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1172428661010 is an abundant number, since it is smaller than the sum of its proper divisors (1643770749102).

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

1172428661010 is a wasteful number, since it uses less digits than its factorization.

1172428661010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32925338.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 1172428661010 in words is "one trillion, one hundred seventy-two billion, four hundred twenty-eight million, six hundred sixty-one thousand, ten".