101878265494 has 16 divisors (see below), whose sum is σ = 155052760032. Its totient is φ = 50195291328.

The previous prime is 101878265477. The next prime is 101878265501. The reversal of 101878265494 is 494562878101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159634 + ... + 478789.

It is an arithmetic number, because the mean of its divisors is an integer number (9690797502).

Almost surely, 2^101878265494 is an apocalyptic number.

101878265494 is a deficient number, since it is larger than the sum of its proper divisors (53174494538).

101878265494 is a wasteful number, since it uses less digits than its factorization.

101878265494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639591.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 101878265494 in words is "one hundred one billion, eight hundred seventy-eight million, two hundred sixty-five thousand, four hundred ninety-four".