61351505550154 has 32 divisors (see below), whose sum is σ = 95110166283264. Its totient is φ = 29664972005760.

The previous prime is 61351505550151. The next prime is 61351505550211. The reversal of 61351505550154 is 45105550515316.

It is not an unprimeable number, because it can be changed into a prime (61351505550151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26533287 + ... + 28752709.

It is an arithmetic number, because the mean of its divisors is an integer number (2972192696352).

Almost surely, 2^{61351505550154} is an apocalyptic number.

61351505550154 is a deficient number, since it is larger than the sum of its proper divisors (33758660733110).

61351505550154 is a wasteful number, since it uses less digits than its factorization.

61351505550154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223222.

The product of its (nonzero) digits is 1125000, while the sum is 46.

The spelling of 61351505550154 in words is "sixty-one trillion, three hundred fifty-one billion, five hundred five million, five hundred fifty thousand, one hundred fifty-four".