2155654562652 has 60 divisors (see below), whose sum is σ = 5640031490016. Its totient is φ = 717949085760.

The previous prime is 2155654562629. The next prime is 2155654562689. The reversal of 2155654562652 is 2562654565512.

It is a happy number.

2155654562652 is a `hidden beast` number, since 2 + 1 + 5 + 5 + 6 + 5 + 4 + 5 + 626 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2401924 + ... + 3174987.

Almost surely, 2^{2155654562652} is an apocalyptic number.

It is an amenable number.

2155654562652 is an abundant number, since it is smaller than the sum of its proper divisors (3484376927364).

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

2155654562652 is a wasteful number, since it uses less digits than its factorization.

2155654562652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578120 (or 5578109 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 54.

The spelling of 2155654562652 in words is "two trillion, one hundred fifty-five billion, six hundred fifty-four million, five hundred sixty-two thousand, six hundred fifty-two".