72151428651454 has 32 divisors (see below), whose sum is σ = 112237228022400. Its totient is φ = 34745206298880.

The previous prime is 72151428651451. The next prime is 72151428651527. The reversal of 72151428651454 is 45415682415127.

It is a junction number, because it is equal to n+sod(n) for n = 72151428651395 and 72151428651404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72151428651451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889937739 + ... + 890018809.

It is an arithmetic number, because the mean of its divisors is an integer number (3507413375700).

Almost surely, 2^{72151428651454} is an apocalyptic number.

72151428651454 is a deficient number, since it is larger than the sum of its proper divisors (40085799370946).

72151428651454 is a wasteful number, since it uses less digits than its factorization.

72151428651454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119028.

The product of its digits is 10752000, while the sum is 55.

The spelling of 72151428651454 in words is "seventy-two trillion, one hundred fifty-one billion, four hundred twenty-eight million, six hundred fifty-one thousand, four hundred fifty-four".