7151649751872 has 56 divisors (see below), whose sum is σ = 21024525896000. Its totient is φ = 2383883250048.

The previous prime is 7151649751867. The next prime is 7151649751877. The reversal of 7151649751872 is 2781579461517.

7151649751872 is a `hidden beast` number, since 7 + 1 + 5 + 1 + 6 + 49 + 7 + 518 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (7151649751867) and next prime (7151649751877).

It is a super-2 number, since 2×7151649751872² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7151649751877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069341372 + ... + 2069344827.

Almost surely, 2^{7151649751872} is an apocalyptic number.

7151649751872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7151649751872 is an abundant number, since it is smaller than the sum of its proper divisors (13872876144128).

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

7151649751872 is a wasteful number, since it uses less digits than its factorization.

7151649751872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138686220 (or 4138686204 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 63.

The spelling of 7151649751872 in words is "seven trillion, one hundred fifty-one billion, six hundred forty-nine million, seven hundred fifty-one thousand, eight hundred seventy-two".