1055723122554 has 32 divisors (see below), whose sum is σ = 2139318941760. Its totient is φ = 347291942400.

The previous prime is 1055723122501. The next prime is 1055723122561. The reversal of 1055723122554 is 4552213275501.

It is a happy number.

It is a super-2 number, since 2×1055723122554² (a number of 25 digits) contains 22 as substring.

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, 3568119 + ... + 3852650.

It is an arithmetic number, because the mean of its divisors is an integer number (66853716930).

Almost surely, 2^{1055723122554} is an apocalyptic number.

1055723122554 is an abundant number, since it is smaller than the sum of its proper divisors (1083595819206).

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

1055723122554 is a wasteful number, since it uses less digits than its factorization.

1055723122554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421086.

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 1055723122554 in words is "one trillion, fifty-five billion, seven hundred twenty-three million, one hundred twenty-two thousand, five hundred fifty-four".