1055721562707 has 32 divisors (see below), whose sum is σ = 1717701562368. Its totient is φ = 563620802976.

The previous prime is 1055721562691. The next prime is 1055721562811. The reversal of 1055721562707 is 7072651275501.

It is not a de Polignac number, because 1055721562707 - 2⁴ = 1055721562691 is a prime.

It is a super-2 number, since 2×1055721562707² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1055721567707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25395033 + ... + 25436570.

It is an arithmetic number, because the mean of its divisors is an integer number (53678173824).

Almost surely, 2^{1055721562707} is an apocalyptic number.

1055721562707 is a deficient number, since it is larger than the sum of its proper divisors (661979999661).

1055721562707 is a wasteful number, since it uses less digits than its factorization.

1055721562707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50831679.

The product of its (nonzero) digits is 1029000, while the sum is 48.

The spelling of 1055721562707 in words is "one trillion, fifty-five billion, seven hundred twenty-one million, five hundred sixty-two thousand, seven hundred seven".