61356401103 has 8 divisors (see below), whose sum is σ = 81810665728. Its totient is φ = 40903201944.

The previous prime is 61356401087. The next prime is 61356401137. The reversal of 61356401103 is 30110465316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61356401103 - 2⁴ = 61356401087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61356401503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120601 + ... + 370482.

It is an arithmetic number, because the mean of its divisors is an integer number (10226333216).

Almost surely, 2^61356401103 is an apocalyptic number.

61356401103 is a deficient number, since it is larger than the sum of its proper divisors (20454264625).

61356401103 is a wasteful number, since it uses less digits than its factorization.

61356401103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532733.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 61356401103 its reverse (30110465316), we get a palindrome (91466866419).

The spelling of 61356401103 in words is "sixty-one billion, three hundred fifty-six million, four hundred one thousand, one hundred three".