61003811158 has 32 divisors (see below), whose sum is σ = 94447026432. Its totient is φ = 29538432000.

The previous prime is 61003811147. The next prime is 61003811171. The reversal of 61003811158 is 85111830016.

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, 5275483 + ... + 5287033.

It is an arithmetic number, because the mean of its divisors is an integer number (2951469576).

Almost surely, 2^61003811158 is an apocalyptic number.

61003811158 is a deficient number, since it is larger than the sum of its proper divisors (33443215274).

61003811158 is a wasteful number, since it uses less digits than its factorization.

61003811158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 61003811158 in words is "sixty-one billion, three million, eight hundred eleven thousand, one hundred fifty-eight".