2157253340574 has 16 divisors (see below), whose sum is σ = 4315241886480. Its totient is φ = 718961912640.

The previous prime is 2157253340537. The next prime is 2157253340603. The reversal of 2157253340574 is 4750433527512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30595407 + ... + 30665834.

It is an arithmetic number, because the mean of its divisors is an integer number (269702617905).

Almost surely, 2^{2157253340574} is an apocalyptic number.

2157253340574 is an abundant number, since it is smaller than the sum of its proper divisors (2157988545906).

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

2157253340574 is a wasteful number, since it uses less digits than its factorization.

2157253340574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61267115.

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 2157253340574 in words is "two trillion, one hundred fifty-seven billion, two hundred fifty-three million, three hundred forty thousand, five hundred seventy-four".