61474878150 has 96 divisors (see below), whose sum is σ = 177793382400. Its totient is φ = 14051388960.

The previous prime is 61474878121. The next prime is 61474878161. The reversal of 61474878150 is 5187847416.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61474878093 and 61474878102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 545974 + ... + 648873.

It is an arithmetic number, because the mean of its divisors is an integer number (1852014400).

Almost surely, 2^61474878150 is an apocalyptic number.

61474878150 is an abundant number, since it is smaller than the sum of its proper divisors (116318504250).

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

61474878150 is a wasteful number, since it uses less digits than its factorization.

61474878150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194883 (or 1194864 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 61474878150 in words is "sixty-one billion, four hundred seventy-four million, eight hundred seventy-eight thousand, one hundred fifty".