2153135402651 has 4 divisors (see below), whose sum is σ = 2266458318600. Its totient is φ = 2039812486704.

The previous prime is 2153135402647. The next prime is 2153135402653. The reversal of 2153135402651 is 1562045313512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2153135402651 - 2² = 2153135402647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153135402653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56661457946 + ... + 56661457983.

It is an arithmetic number, because the mean of its divisors is an integer number (566614579650).

Almost surely, 2^{2153135402651} is an apocalyptic number.

2153135402651 is a deficient number, since it is larger than the sum of its proper divisors (113322915949).

2153135402651 is a wasteful number, since it uses less digits than its factorization.

2153135402651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113322915948.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 2153135402651 in words is "two trillion, one hundred fifty-three billion, one hundred thirty-five million, four hundred two thousand, six hundred fifty-one".