61012716501 has 32 divisors (see below), whose sum is σ = 91486448640. Its totient is φ = 35852630400.

The previous prime is 61012716467. The next prime is 61012716503. The reversal of 61012716501 is 10561721016.

61012716501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61012716501 - 2²⁶ = 60945607637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61012716503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72505 + ... + 356766.

It is an arithmetic number, because the mean of its divisors is an integer number (2858951520).

Almost surely, 2^61012716501 is an apocalyptic number.

It is an amenable number.

61012716501 is a deficient number, since it is larger than the sum of its proper divisors (30473732139).

61012716501 is a wasteful number, since it uses less digits than its factorization.

61012716501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429417.

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 61012716501 in words is "sixty-one billion, twelve million, seven hundred sixteen thousand, five hundred one".