6988402451151 has 80 divisors (see below), whose sum is σ = 11698223948928. Its totient is φ = 4120249291200.

The previous prime is 6988402451117. The next prime is 6988402451179. The reversal of 6988402451151 is 1511542048896.

6988402451151 is a `hidden beast` number, since 6 + 9 + 88 + 40 + 2 + 4 + 511 + 5 + 1 = 666.

It is not a de Polignac number, because 6988402451151 - 2²⁷ = 6988268233423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988402451351) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 259865416 + ... + 259892306.

Almost surely, 2^{6988402451151} is an apocalyptic number.

6988402451151 is a deficient number, since it is larger than the sum of its proper divisors (4709821497777).

6988402451151 is a wasteful number, since it uses less digits than its factorization.

6988402451151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34834 (or 34825 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 6988402451151 in words is "six trillion, nine hundred eighty-eight billion, four hundred two million, four hundred fifty-one thousand, one hundred fifty-one".