61355625142 has 32 divisors (see below), whose sum is σ = 108700087104. Its totient is φ = 25426867200.

The previous prime is 61355625139. The next prime is 61355625169. The reversal of 61355625142 is 24152655316.

It is a junction number, because it is equal to n+sod(n) for n = 61355625095 and 61355625104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408109 + ... + 537832.

It is an arithmetic number, because the mean of its divisors is an integer number (3396877722).

Almost surely, 2^61355625142 is an apocalyptic number.

61355625142 is a deficient number, since it is larger than the sum of its proper divisors (47344461962).

61355625142 is a wasteful number, since it uses less digits than its factorization.

61355625142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946104.

The product of its digits is 216000, while the sum is 40.

The spelling of 61355625142 in words is "sixty-one billion, three hundred fifty-five million, six hundred twenty-five thousand, one hundred forty-two".