1150550623 has 2 divisors, whose sum is σ = 1150550624. Its totient is φ = 1150550622.

The previous prime is 1150550581. The next prime is 1150550627. The reversal of 1150550623 is 3260550511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150550623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1150550591 and 1150550600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150550627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575275311 + 575275312.

It is an arithmetic number, because the mean of its divisors is an integer number (575275312).

Almost surely, 2^1150550623 is an apocalyptic number.

1150550623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150550623 is an equidigital number, since it uses as much as digits as its factorization.

1150550623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1150550623 is about 33919.7674372924. The cubic root of 1150550623 is about 1047.8567386553.

It can be divided in two parts, 11505 and 50623, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 1150550623 in words is "one billion, one hundred fifty million, five hundred fifty thousand, six hundred twenty-three".