101556457253 has 8 divisors (see below), whose sum is σ = 102524083200. Its totient is φ = 100589484528.

The previous prime is 101556457237. The next prime is 101556457297. The reversal of 101556457253 is 352754655101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101556457253 - 2⁴ = 101556457237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101556457153) 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, 152000 + ... + 475622.

It is an arithmetic number, because the mean of its divisors is an integer number (12815510400).

Almost surely, 2^101556457253 is an apocalyptic number.

It is an amenable number.

101556457253 is a deficient number, since it is larger than the sum of its proper divisors (967625947).

101556457253 is a wasteful number, since it uses less digits than its factorization.

101556457253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326611.

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 101556457253 in words is "one hundred one billion, five hundred fifty-six million, four hundred fifty-seven thousand, two hundred fifty-three".