2155295885542 has 16 divisors (see below), whose sum is σ = 3290966107200. Its totient is φ = 1058343034600.

The previous prime is 2155295885539. The next prime is 2155295885551. The reversal of 2155295885542 is 2455885925512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8842084 + ... + 9082567.

It is an arithmetic number, because the mean of its divisors is an integer number (205685381700).

Almost surely, 2^{2155295885542} is an apocalyptic number.

2155295885542 is a deficient number, since it is larger than the sum of its proper divisors (1135670221658).

2155295885542 is a wasteful number, since it uses less digits than its factorization.

2155295885542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925731.

The product of its digits is 57600000, while the sum is 61.

The spelling of 2155295885542 in words is "two trillion, one hundred fifty-five billion, two hundred ninety-five million, eight hundred eighty-five thousand, five hundred forty-two".