1055513101644 has 36 divisors (see below), whose sum is σ = 2669445522744. Its totient is φ = 351660606912.

The previous prime is 1055513101639. The next prime is 1055513101691. The reversal of 1055513101644 is 4461013155501.

1055513101644 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 5 + 1 + 3 + 1 + 0 + 1 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1055513101644² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1055513101599 and 1055513101608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7306377 + ... + 7449440.

Almost surely, 2^{1055513101644} is an apocalyptic number.

It is an amenable number.

1055513101644 is an abundant number, since it is smaller than the sum of its proper divisors (1613932421100).

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

1055513101644 is a wasteful number, since it uses less digits than its factorization.

1055513101644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14757814 (or 14757809 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 1055513101644 in words is "one trillion, fifty-five billion, five hundred thirteen million, one hundred one thousand, six hundred forty-four".