2151530551355 has 16 divisors (see below), whose sum is σ = 2586355310880. Its totient is φ = 1718214509568.

The previous prime is 2151530551319. The next prime is 2151530551369. The reversal of 2151530551355 is 5531550351512.

It is a cyclic number.

It is not a de Polignac number, because 2151530551355 - 2³⁸ = 1876652644411 is a prime.

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, 6779864 + ... + 7090106.

It is an arithmetic number, because the mean of its divisors is an integer number (161647206930).

Almost surely, 2^{2151530551355} is an apocalyptic number.

2151530551355 is a deficient number, since it is larger than the sum of its proper divisors (434824759525).

2151530551355 is a wasteful number, since it uses less digits than its factorization.

2151530551355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312670.

The product of its (nonzero) digits is 281250, while the sum is 41.

The spelling of 2151530551355 in words is "two trillion, one hundred fifty-one billion, five hundred thirty million, five hundred fifty-one thousand, three hundred fifty-five".