100455261397 has 4 divisors (see below), whose sum is σ = 100461326976. Its totient is φ = 100449195820.

The previous prime is 100455261349. The next prime is 100455261419. The reversal of 100455261397 is 793162554001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100455261397 - 2¹¹ = 100455259349 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 (100455261307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3007879 + ... + 3041092.

It is an arithmetic number, because the mean of its divisors is an integer number (25115331744).

Almost surely, 2^100455261397 is an apocalyptic number.

It is an amenable number.

100455261397 is a deficient number, since it is larger than the sum of its proper divisors (6065579).

100455261397 is an equidigital number, since it uses as much as digits as its factorization.

100455261397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065578.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 100455261397 in words is "one hundred billion, four hundred fifty-five million, two hundred sixty-one thousand, three hundred ninety-seven".