61401211010 has 64 divisors (see below), whose sum is σ = 116416984320. Its totient is φ = 23271747840.

The previous prime is 61401210991. The next prime is 61401211043. The reversal of 61401211010 is 1011210416.

It is a self number, because there is not a number n which added to its sum of digits gives 61401211010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11195729 + ... + 11201211.

It is an arithmetic number, because the mean of its divisors is an integer number (1819015380).

Almost surely, 2^61401211010 is an apocalyptic number.

61401211010 is a deficient number, since it is larger than the sum of its proper divisors (55015773310).

61401211010 is a wasteful number, since it uses less digits than its factorization.

61401211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 61401211010 its reverse (1011210416), we get a palindrome (62412421426).

The spelling of 61401211010 in words is "sixty-one billion, four hundred one million, two hundred eleven thousand, ten".