1554113091 has 8 divisors (see below), whose sum is σ = 2081443840. Its totient is φ = 1031428872.

The previous prime is 1554113087. The next prime is 1554113153. The reversal of 1554113091 is 1903114551.

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

It is not a de Polignac number, because 1554113091 - 2² = 1554113087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1554113081) 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, 1160851 + ... + 1162188.

It is an arithmetic number, because the mean of its divisors is an integer number (260180480).

Almost surely, 2^1554113091 is an apocalyptic number.

1554113091 is a deficient number, since it is larger than the sum of its proper divisors (527330749).

1554113091 is a wasteful number, since it uses less digits than its factorization.

1554113091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323265.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 1554113091 is about 39422.2410702385. The cubic root of 1554113091 is about 1158.3172914478.

The spelling of 1554113091 in words is "one billion, five hundred fifty-four million, one hundred thirteen thousand, ninety-one".