1055153502551 has 8 divisors (see below), whose sum is σ = 1062357797424. Its totient is φ = 1047973671360.

The previous prime is 1055153502463. The next prime is 1055153502643. The reversal of 1055153502551 is 1552053515501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055153502551 is a prime.

It is a super-3 number, since 3×1055153502551³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055153501551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6029360 + ... + 6201893.

It is an arithmetic number, because the mean of its divisors is an integer number (132794724678).

Almost surely, 2^{1055153502551} is an apocalyptic number.

1055153502551 is a deficient number, since it is larger than the sum of its proper divisors (7204294873).

1055153502551 is a wasteful number, since it uses less digits than its factorization.

1055153502551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231841.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 1055153502551 in words is "one trillion, fifty-five billion, one hundred fifty-three million, five hundred two thousand, five hundred fifty-one".