7156151551651 has 4 divisors (see below), whose sum is σ = 7212499201792. Its totient is φ = 7099803901512.

The previous prime is 7156151551621. The next prime is 7156151551663. The reversal of 7156151551651 is 1561551516517.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7156151551651 - 2²¹ = 7156149454499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7156151551595 and 7156151551604.

It is not an unprimeable number, because it can be changed into a prime (7156151551621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28173824880 + ... + 28173825133.

It is an arithmetic number, because the mean of its divisors is an integer number (1803124800448).

Almost surely, 2^{7156151551651} is an apocalyptic number.

7156151551651 is a deficient number, since it is larger than the sum of its proper divisors (56347650141).

7156151551651 is a wasteful number, since it uses less digits than its factorization.

7156151551651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56347650140.

The product of its digits is 787500, while the sum is 49.

The spelling of 7156151551651 in words is "seven trillion, one hundred fifty-six billion, one hundred fifty-one million, five hundred fifty-one thousand, six hundred fifty-one".